Group L01G02
Aim: Determine if there is a model to conveniently measure body fat percent at home
Reducing Outliers
Siri equation
\[ Pct.BF = \frac{495}{density} - 450 \]
Incorrect Results
Residual plots
| Model | RMSE | R_squared | Relative_RMSE |
|---|---|---|---|
| Bidirectional | 4.367317 | 0.7179396 | 22.91053 |
| Backward | 4.433432 | 0.7222846 | 23.25736 |
| Forward | 4.428418 | 0.7246442 | 23.23106 |
| Statistic | Value |
|---|---|
| Min | -3.3043629 |
| 1st Quartile | -0.7067849 |
| Median | -0.0302485 |
| 3rd Quartile | 0.7479215 |
| Max | 2.1801859 |
AIC: 1484.033 BIC: 1535.927 Residual standard error: 4.341277
| Statistic | Value |
|---|---|
| RMSE | 4.217467 |
| Relative RMSE | 22.124429 |
| R Squared | 0.739931 |
Body Mass Index (BMI) where:
\[ \text{BMI} = \frac{\text{Weight(lb)}}{\text{Height(inches)}} \cdot 703 \]
Waist-Hip Ratio (WHR) where:
\[ \text{WHR} = \frac{\text{Waist Circumference}}{\text{Hip Circumference}} \]